Ofna Racing DM-1 Spec Instruction Manual
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Ofna Racing DM-1 Spec Instruction Manual

1/8 scale nitro rtr toaring sedan
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OFNA 7 VANDERBILT, IRVINE, CA 92618 PH: (949)586-2910 FAX: (949)586-8812.

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  • Page 1 OFNA 7 VANDERBILT, IRVINE, CA 92618 PH: (949)586-2910 FAX: (949)586-8812.
  • Page 3 MUST READ THIS BEFORE RUNNING Running a nitro kit is fun and easy, but to make this a safe • Clean oil and dirt from chassis with a degreaser like Simple Green. and good experience you must observe a few rules. This kit is extremely fast, easily over 40MPH, and can seriously Precautions injure someone if you are not careful.
  • Page 4 REQUIRED FOR OPERATION THINGS NEED BESIDES THE KIT 3.5 cc (21 Class) ENGINE REAR EXHAUST OFNA/Picco P-9R EVO #51219 Glow Plug Long Heat with Battery & Charger # 10215..$27.95 (please note OFNA Glow Heats available) Glow Fuel Bottle’s with spout # 10160 - large 500cc # 10161 - large 500 ccAuto Stop # 10162 - small 250cc...
  • Page 5 PLASTIC PARTS FOR USE 40533 40538 31304 FRONT AND REAR GEAR BOX DIFF. CASE REAR UPRIGHT 40719 40719 40537 ARM HOLDER REAR UPPER ARM 40643 SHOCK PLASTIC Parts for Not Use 30802 Throttle Linkage Plastic 40721 FRONT BUMPER 40040 CENTER DIFF. MOUNT PLASTIC PARTS...
  • Page 6 PLASTIC PARTS FOR USE 40541 40539 40722 RECEIVER BOX SERVO SAVER EXHAUST GAS DEFLECTOR Parts for Not Use 40717 40718 FRONT AND REAR LOWER ARM FRONT KNUCKLE ARM 40720 40716 SIDE IMPACT BUMPER AND BODY POST FRONT UPPER ARM SYMBOL USED THROUGHOUT THE INSTRUCTION MANUAL Degrease With Do Not Tighten...
  • Page 7 ASSEMBLY OF THE FRONT SHOCKS 40636 *Fit the o-ring into groove Step 1 Step 2 Step 3 Step 4 beforeassembly. *Assemble 2 seets for front *Be careful not to damage shock shaft. Fill the shocks with oil #80. 40640 40634 30403 40090 40090...
  • Page 8 ASSEMBLY OF THE FRONT AND REAR DIFF. Builds two differentials for front and rear. Step 1 Step 2 40010 2.5x13.8mm ..x4 40513 36053 94034 4x4mm ..x2 40538 Set Screw 40514 40010 40009 40009 40010 40009 P6 O-Ring ..x4 4x4mm 40517(43T) 36053 40514 40513...
  • Page 9 ASSEMBLY OF THE SERVO SAVER 40037 *Tighten the steering plate hex screw all way down and then back it off 1/2 turn. 40563 Step 1 Step 2 40073 40539 40024 40746 13x16x0.2mm Shim ..x2 40539 Ensure Free Movement 40073 4x8mm Flange Ball Bearing ..x2 40539...
  • Page 10 ASSEMBLY OF THE STEERING TIE-ROD Assembly for both right and left side. Step 1 Step 2 40038 40548 40548 Nylon Nut (Thin Type) 36700 ..x2 40038 40126 3x6mm Flange Washer ..x2 36790 40126 36700 40038 7mm Ball ..x4 3x16mm Approx. 29.30 mm 94005 3x16mm Flat Head...
  • Page 11 ASSEMBLY OF THE FRONT SHOCK STAY Assembly for both right and left side. 3x16mm Ensure Free Movement Do Not 40719 Over Tighten Shock Mount(A) 36742 40719 Shock Cap Shock Mount(B) Bushing ..x2 35958 35958 5x8x2.5mm Ball Bearing ..x4 36742 *Notice"L"make are for inside. 94005 3x16mm ..x2...
  • Page 12 ASSEMBLY OF THE REAR UPPER ARMS Left Right 40716(1mm) *Set the left and right hand side upper arm adjuster in the same direction. 40716(2mm) 40719 40719 94011 4x16mm ..x2 40546 Hex Screw *Insert the caster angle adjuster onto arm shaft. 40719 40546 4x16mm...
  • Page 13 ASSEMBLY OF THE TWO SPEED TRANSMISSION 35237 Step 1 Step 2 *Screw the 3x15mm screw into 40120 the bottom and back off 5 turns. 3x15mm 36053 35237 4mm Ball ..x2 Ensure Free 35237 Movement 35237 94036 5x5mm 5x5mm ..x2 Set Screw 2nd Gear Assembly 3x15mm Screw 35237...
  • Page 14 ASSEMBLY OF THE ARM HOLDER ONTO CHASSIS *set the arm holder adjuster to *set the arm holder adjuster to the same direction. the same direction. (Type A) (Type A) 94027 4x16mm 40748 Flat Head ..x8 Hex Screw 40719 (Front/Rear) 40719 40719 4x16mm (Rear/Rear)
  • Page 15 ASSEMBLY OF THE FRONT AND REAR GEAR BOX ONTO THE CHASSIS Step 1 Step 2 94041 ..x2 Nylon Nut 94020 3x12mm Flat Head ..x2 Hex Screw 94026 4x12mm Flat Head ..x2 Hex Screw 3x12mm 94027 3x12mm 4x16mm 4x16mm 4x16mm Flat Head ..x8 Hex Screw 4x12mm...
  • Page 16 ASSEMBLY OF THE FRONT PUSH RODS Assembly for both right and left side. Step 1 Step 2 3x12mm 30403 30403 6mm Ball ..x4 94004 40712 40063 3x12mm ..x2 Hex Screw 40063 94007 3x20mm ..x2 Hex Screw 30403 Approx. 34mm 3x20mm ASSEMBLY OF THE REAR WHEEL HUB Assembly for both right and left side.
  • Page 17 ASSEMBLY OF THE REAR SHOCK ABSORBER Assembly for both right and left side. 3x25mm 3x8mm Washer ..x2 Nylon Nut ..x2 40531 40643 3x8mm 40531 Shock Ball End Post ..x2 3x20mm Hex Screw ..x2 3x20mm 3x25mm Cap Screw ..x2 ASSEMBLY OF THE TWO SPEED TRANSMISSION ONTO THE CHASSIS 40749 * Insert drive shaft into cap joint before assembly two speed onto chassis.
  • Page 18 ASSEMBLY OF THE CLUTCH Step 1 Step 3 10099 35255(20T) 3x7mm ..x1 Washer 35242 10099 5x8x0.3mm ..x3 Washer Step 2 35958 5x8mm Ball Bearing ..x1 34110 35240(16T) 34110 5x8x0.3mm 5x10x4mm 35958 Ball Bearing ..x1 10099 3x5mm ..x1 3x7mm Cap Screw 3x5mm ASSEMBLY OF THE ENGINE ONTO THE CHASSIS 3x12mm...
  • Page 19 ASSEMBLY OF THE FUEL TANK ONTO THE CHASSIS Step 1 Step 2 3x10mm 94019 3x10mm 40543 Flat Head ..x2 Hex Screw Do Not Over Tighten 94003 3x10mm ..x2 Hex Screw Pressure Nipple 40539 3x10mm ASSEMBLY OF THE RADIO TRAY Step 1 Step 2 34026 40715...
  • Page 20 ASSEMBLY OF THE RADIO TRAY AND RECEIVER BOX Antenna Step 1 Step 2 2x8mm 2x8mm *Connect the switch wire to receiver. Screw ..x4 30560 * Put the servo wire into receiver box and connect to receiver. 40541 40541 94002 40541 3x10mm ..x2 40642...
  • Page 21 ASSEMBLY OF THE STEERING ROD INTO SERVO *Approx. 17.8mm 94004 3x12mm ..x1 Hex Screw 30401 Plastic Ball End ..x2 3x12mm 30401 30411 30411 38280 30401 30661 *Use the screw provided with your servo. 30661 ASSEMBLY OF THE RADIO TRAY ONTO THE CHASSIS 3x3mm *Snap on.
  • Page 22 ASSEMBLY OF THE FRONT BUMPER Completely Finished 40117 4x10mm Step 1 Step 2 36870 4x10mm ..x2 Set Screw 31159 94026 4x12mm Flat Head ..x2 40117 Hex Screw 40721 31159 40117 Tighten *Approx. 4 mm Tighten 4x12mm *The 4x10mm set screw is used to adjust down stop. ASSEMBLY OF THE FRONT BUMPER 4x10mm 3x12mm...
  • Page 23 ASSEMBLY OF THE REAR BUMPER 2.6x15mm 4x10mm Step 1 Step 2 40117 31159 36870 4x10mm ..x2 Set Screw 2.6x15mm 2.6x15mm Screw ..x2 40720 31159 94026 40721 4x12mm 40117 Flat Head ..x2 40720 Hex Screw 40117 *Approx. 3 mm Tighten 4x12mm *The 4x10mm set screw is used to adjust down stop.
  • Page 24 ASSEMBLY OF THE FUEL TUBE Connect to carburetor. 10117 Connect to fuel tank. Connect to pressure nipple. Connect to fuel tank pressure nipple. ASSEMBLY OF THE TIRES AND WHEELS (Right Hand Side) *Notice the direction of the tires. *Notice the direction of the tires. Make two (Left Hand Side) the same for the left and 2 for the right.
  • Page 25 ASSEMBLY OF THE BOOY AND PAINTNG. Cut out the body as shown. Use a neutral detergent to 31141 remove any dirt and oil. Body(Stock) Cut Out Before cutting and making holes on the body, Mask the windows from put the unpainted body on the chassis the inside with masking tape.
  • Page 26 MOUNTING BODY 31159 31159 STARTING OF THE ENGINE A 12V Starter and Starter Glow Plug (Not Included) 1.2V Glow Plug Igniter and How to start the engine: Ring ( Not Included) Charger (Not Included) 1. Turn on transmitter and then receiver. 2.
  • Page 27 OPERATING YOUR MODEL SAFELY Before Running Engine Start-Up While Running Cautions for Safety Check that the model turns in Your radio control model can For engine use, refer to the Do not run your model through proportion to the amount you move at high speed and manual included with the engine.
  • Page 28 SETTING GUIDE FRONT TOE-IN AND TOE-OUT SETTING Use a 2.5mm allen wrench to adjust toe-in for front and rear. Adjust the length of the front steering rod to change the toe angle. (Front) NEUTRAL POSITION Making the steering rod longer will make the front tires become TOE-IN toe-in.
  • Page 29 3 4 3 0 4 D M 1 - S P E C R T R P A R T S L IS T R E T A IL R E T A IL O F N A D e s c r ip t io n O F N A D e s c r ip t io n 1 0 0 1 0...

  • Page 30: Technical Data

    FORCE 28 PULLSTART ENGINES PART #52217 w/PULLSTART TECHNICAL DATA •Cubic Capacity.....4.66cc •Rpm......38000 •Stroke......16.8mm •Hp........2.7 •Bore......19.0mm •Weight......330gr 52217 .28 FORCE PARTS LIST OFNA DESCRIPTION RETAIL OFNA DESCRIPTION RETAIL 10330 COLLET, FLYWHEEL INSERT.12/.21 2.95 52279 LOW END NEEDLE .28-.32 4.95 52090 REAR BACK COVER, FORCE .28-.32 6.95 52280 BUTTON, HEAD INSERT FORCE .28 29.95...
  • Page 31 FORCE 28 PULL START ENGINES Thank you for purchasing a OFNA engine. We appreciate your choice and know you will enjoy running it. Please note that theForce information in engine box is subject to change with not notice. Carburetor Low end and barrel stop screws are pre-set by factory..Do not change until break-in is done. NEW ENGINE BREAK-IN Your OFNA engine is extremely tight when the piston is at the top of the stroke and turning the crankshaft by hand.
  • Page 33 OWNER’S REGISTRATION CARD OFNA Racing congratulates you on your purchase of our fine OFNA Product. With proper maintenance and han- dling this kit will provide many hours of enjoyment. The registration card should be filled out and mailed to OFNA Racing within 10 days of purchase date. In the event that the kit is incomplete or component parts are broken due to error in manufacturer, contact your dealer from which you purchased the kit for replacement part or call OFNA at (949) 586-2910 for your nearest dealer location.

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